3981276

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:251

約数の個数: 72

約数和(自身を含む): 11129664

約数和(自身を除く): 7148388

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 47, 52, 78, 94, 117, 141, 156, 181, 188, 234, 282, 362, 423, 468, 543, 564, 611, 724, 846, 1086, 1222, 1629, 1692, 1833, 2172, 2353, 2444, 3258, 3666, 4706, 5499, 6516, 7059, 7332, 8507, 9412, 10998, 14118, 17014, 21177, 21996, 25521, 28236, 34028, 42354, 51042, 76563, 84708, 102084, 110591, 153126, 221182, 306252, 331773, 442364, 663546, 995319, 1327092, 1990638, 3981276]

約数ペア:

[(1, 3981276), (2, 1990638), (3, 1327092), (4, 995319), (6, 663546), (9, 442364), (12, 331773), (13, 306252), (18, 221182), (26, 153126), (36, 110591), (39, 102084), (47, 84708), (52, 76563), (78, 51042), (94, 42354), (117, 34028), (141, 28236), (156, 25521), (181, 21996), (188, 21177), (234, 17014), (282, 14118), (362, 10998), (423, 9412), (468, 8507), (543, 7332), (564, 7059), (611, 6516), (724, 5499), (846, 4706), (1086, 3666), (1222, 3258), (1629, 2444), (1692, 2353), (1833, 2172)]