81722196

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:471

約数の個数: 120

約数和(自身を含む): 232897896

約数和(自身を除く): 151175700

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 37, 51, 54, 68, 74, 81, 102, 108, 111, 148, 153, 162, 204, 222, 306, 324, 333, 401, 444, 459, 612, 629, 666, 802, 918, 999, 1203, 1258, 1332, 1377, 1604, 1836, 1887, 1998, 2406, 2516, 2754, 2997, 3609, 3774, 3996, 4812, 5508, 5661, 5994, 6817, 7218, 7548, 10827, 11322, 11988, 13634, 14436, 14837, 16983, 20451, 21654, 22644, 27268, 29674, 32481, 33966, 40902, 43308, 44511, 50949, 59348, 61353, 64962, 67932, 81804, 89022, 101898, 122706, 129924, 133533, 178044, 184059, 203796, 245412, 252229, 267066, 368118, 400599, 504458, 534132, 552177, 736236, 756687, 801198, 1008916, 1104354, 1201797, 1513374, 1602396, 2208708, 2270061, 2403594, 3026748, 4540122, 4807188, 6810183, 9080244, 13620366, 20430549, 27240732, 40861098, 81722196]

約数ペア:

[(1, 81722196), (2, 40861098), (3, 27240732), (4, 20430549), (6, 13620366), (9, 9080244), (12, 6810183), (17, 4807188), (18, 4540122), (27, 3026748), (34, 2403594), (36, 2270061), (37, 2208708), (51, 1602396), (54, 1513374), (68, 1201797), (74, 1104354), (81, 1008916), (102, 801198), (108, 756687), (111, 736236), (148, 552177), (153, 534132), (162, 504458), (204, 400599), (222, 368118), (306, 267066), (324, 252229), (333, 245412), (401, 203796), (444, 184059), (459, 178044), (612, 133533), (629, 129924), (666, 122706), (802, 101898), (918, 89022), (999, 81804), (1203, 67932), (1258, 64962), (1332, 61353), (1377, 59348), (1604, 50949), (1836, 44511), (1887, 43308), (1998, 40902), (2406, 33966), (2516, 32481), (2754, 29674), (2997, 27268), (3609, 22644), (3774, 21654), (3996, 20451), (4812, 16983), (5508, 14837), (5661, 14436), (5994, 13634), (6817, 11988), (7218, 11322), (7548, 10827)]