19883957175

素因数分解:

$3^2\times 5^2\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{5333}}^1$

素因数の和:5649

約数の個数: 72

約数和(自身を含む): 36268084944

約数和(自身を除く): 16384127769

約数列:

[1, 3, 5, 9, 15, 25, 45, 73, 75, 219, 225, 227, 365, 657, 681, 1095, 1135, 1825, 2043, 3285, 3405, 5333, 5475, 5675, 10215, 15999, 16425, 16571, 17025, 26665, 47997, 49713, 51075, 79995, 82855, 133325, 149139, 239985, 248565, 389309, 399975, 414275, 745695, 1167927, 1199925, 1210591, 1242825, 1946545, 3503781, 3631773, 3728475, 5839635, 6052955, 9732725, 10895319, 17518905, 18158865, 29198175, 30264775, 54476595, 87594525, 88373143, 90794325, 265119429, 272382975, 441865715, 795358287, 1325597145, 2209328575, 3976791435, 6627985725, 19883957175]

約数ペア:

[(1, 19883957175), (3, 6627985725), (5, 3976791435), (9, 2209328575), (15, 1325597145), (25, 795358287), (45, 441865715), (73, 272382975), (75, 265119429), (219, 90794325), (225, 88373143), (227, 87594525), (365, 54476595), (657, 30264775), (681, 29198175), (1095, 18158865), (1135, 17518905), (1825, 10895319), (2043, 9732725), (3285, 6052955), (3405, 5839635), (5333, 3728475), (5475, 3631773), (5675, 3503781), (10215, 1946545), (15999, 1242825), (16425, 1210591), (16571, 1199925), (17025, 1167927), (26665, 745695), (47997, 414275), (49713, 399975), (51075, 389309), (79995, 248565), (82855, 239985), (133325, 149139)]