81217728

素因数分解:

$2^6\times 3^4\times {\mathrm{15667}}^1$

素因数の和:15691

約数の個数: 70

約数和(自身を含む): 240770156

約数和(自身を除く): 159552428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 144, 162, 192, 216, 288, 324, 432, 576, 648, 864, 1296, 1728, 2592, 5184, 15667, 31334, 47001, 62668, 94002, 125336, 141003, 188004, 250672, 282006, 376008, 423009, 501344, 564012, 752016, 846018, 1002688, 1128024, 1269027, 1504032, 1692036, 2256048, 2538054, 3008064, 3384072, 4512096, 5076108, 6768144, 9024192, 10152216, 13536288, 20304432, 27072576, 40608864, 81217728]

約数ペア:

[(1, 81217728), (2, 40608864), (3, 27072576), (4, 20304432), (6, 13536288), (8, 10152216), (9, 9024192), (12, 6768144), (16, 5076108), (18, 4512096), (24, 3384072), (27, 3008064), (32, 2538054), (36, 2256048), (48, 1692036), (54, 1504032), (64, 1269027), (72, 1128024), (81, 1002688), (96, 846018), (108, 752016), (144, 564012), (162, 501344), (192, 423009), (216, 376008), (288, 282006), (324, 250672), (432, 188004), (576, 141003), (648, 125336), (864, 94002), (1296, 62668), (1728, 47001), (2592, 31334), (5184, 15667)]