1281528

素因数分解:

$2^3\times 3^3\times {\mathrm{17}}^1\times {\mathrm{349}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 3780000

約数和(自身を除く): 2498472

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 27, 34, 36, 51, 54, 68, 72, 102, 108, 136, 153, 204, 216, 306, 349, 408, 459, 612, 698, 918, 1047, 1224, 1396, 1836, 2094, 2792, 3141, 3672, 4188, 5933, 6282, 8376, 9423, 11866, 12564, 17799, 18846, 23732, 25128, 35598, 37692, 47464, 53397, 71196, 75384, 106794, 142392, 160191, 213588, 320382, 427176, 640764, 1281528]

約数ペア:

[(1, 1281528), (2, 640764), (3, 427176), (4, 320382), (6, 213588), (8, 160191), (9, 142392), (12, 106794), (17, 75384), (18, 71196), (24, 53397), (27, 47464), (34, 37692), (36, 35598), (51, 25128), (54, 23732), (68, 18846), (72, 17799), (102, 12564), (108, 11866), (136, 9423), (153, 8376), (204, 6282), (216, 5933), (306, 4188), (349, 3672), (408, 3141), (459, 2792), (612, 2094), (698, 1836), (918, 1396), (1047, 1224)]