72199995

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{181}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 138378240

約数和(自身を除く): 66178245

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 87, 105, 131, 145, 181, 203, 393, 435, 543, 609, 655, 905, 917, 1015, 1267, 1965, 2715, 2751, 3045, 3799, 3801, 4585, 5249, 6335, 11397, 13755, 15747, 18995, 19005, 23711, 26245, 26593, 36743, 56985, 71133, 78735, 79779, 110229, 118555, 132965, 165977, 183715, 355665, 398895, 497931, 551145, 687619, 829885, 2062857, 2489655, 3438095, 4813333, 10314285, 14439999, 24066665, 72199995]

約数ペア:

[(1, 72199995), (3, 24066665), (5, 14439999), (7, 10314285), (15, 4813333), (21, 3438095), (29, 2489655), (35, 2062857), (87, 829885), (105, 687619), (131, 551145), (145, 497931), (181, 398895), (203, 355665), (393, 183715), (435, 165977), (543, 132965), (609, 118555), (655, 110229), (905, 79779), (917, 78735), (1015, 71133), (1267, 56985), (1965, 36743), (2715, 26593), (2751, 26245), (3045, 23711), (3799, 19005), (3801, 18995), (4585, 15747), (5249, 13755), (6335, 11397)]