1821984945

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1\times {\mathrm{1409}}^1$

素因数の和:1906

約数の個数: 64

約数和(自身を含む): 3376961280

約数和(自身を除く): 1554976335

約数列:

[1, 3, 5, 11, 15, 17, 33, 51, 55, 85, 165, 187, 255, 461, 561, 935, 1383, 1409, 2305, 2805, 4227, 5071, 6915, 7045, 7837, 15213, 15499, 21135, 23511, 23953, 25355, 39185, 46497, 71859, 76065, 77495, 86207, 117555, 119765, 232485, 258621, 263483, 359295, 431035, 649549, 790449, 1293105, 1317415, 1948647, 3247745, 3952245, 7145039, 9743235, 11042333, 21435117, 33126999, 35725195, 55211665, 107175585, 121465663, 165634995, 364396989, 607328315, 1821984945]

約数ペア:

[(1, 1821984945), (3, 607328315), (5, 364396989), (11, 165634995), (15, 121465663), (17, 107175585), (33, 55211665), (51, 35725195), (55, 33126999), (85, 21435117), (165, 11042333), (187, 9743235), (255, 7145039), (461, 3952245), (561, 3247745), (935, 1948647), (1383, 1317415), (1409, 1293105), (2305, 790449), (2805, 649549), (4227, 431035), (5071, 359295), (6915, 263483), (7045, 258621), (7837, 232485), (15213, 119765), (15499, 117555), (21135, 86207), (23511, 77495), (23953, 76065), (25355, 71859), (39185, 46497)]