72825975

素因数分解:

$3^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{197}}^1$

素因数の和:297

約数の個数: 72

約数和(自身を含む): 137884032

約数和(自身を除く): 65058057

約数列:

[1, 3, 5, 9, 15, 25, 31, 45, 53, 75, 93, 155, 159, 197, 225, 265, 279, 465, 477, 591, 775, 795, 985, 1325, 1395, 1643, 1773, 2325, 2385, 2955, 3975, 4925, 4929, 6107, 6975, 8215, 8865, 10441, 11925, 14775, 14787, 18321, 24645, 30535, 31323, 41075, 44325, 52205, 54963, 73935, 91605, 93969, 123225, 152675, 156615, 261025, 274815, 323671, 369675, 458025, 469845, 783075, 971013, 1374075, 1618355, 2349225, 2913039, 4855065, 8091775, 14565195, 24275325, 72825975]

約数ペア:

[(1, 72825975), (3, 24275325), (5, 14565195), (9, 8091775), (15, 4855065), (25, 2913039), (31, 2349225), (45, 1618355), (53, 1374075), (75, 971013), (93, 783075), (155, 469845), (159, 458025), (197, 369675), (225, 323671), (265, 274815), (279, 261025), (465, 156615), (477, 152675), (591, 123225), (775, 93969), (795, 91605), (985, 73935), (1325, 54963), (1395, 52205), (1643, 44325), (1773, 41075), (2325, 31323), (2385, 30535), (2955, 24645), (3975, 18321), (4925, 14787), (4929, 14775), (6107, 11925), (6975, 10441), (8215, 8865)]