47721825

素因数分解:

$3^3\times 5^2\times {\mathrm{19}}^1\times {\mathrm{61}}^2$

素因数の和:160

約数の個数: 72

約数和(自身を含む): 93818400

約数和(自身を除く): 46096575

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 61, 75, 95, 135, 171, 183, 225, 285, 305, 475, 513, 549, 675, 855, 915, 1159, 1425, 1525, 1647, 2565, 2745, 3477, 3721, 4275, 4575, 5795, 8235, 10431, 11163, 12825, 13725, 17385, 18605, 28975, 31293, 33489, 41175, 52155, 55815, 70699, 86925, 93025, 100467, 156465, 167445, 212097, 260775, 279075, 353495, 502335, 636291, 782325, 837225, 1060485, 1767475, 1908873, 2511675, 3181455, 5302425, 9544365, 15907275, 47721825]

約数ペア:

[(1, 47721825), (3, 15907275), (5, 9544365), (9, 5302425), (15, 3181455), (19, 2511675), (25, 1908873), (27, 1767475), (45, 1060485), (57, 837225), (61, 782325), (75, 636291), (95, 502335), (135, 353495), (171, 279075), (183, 260775), (225, 212097), (285, 167445), (305, 156465), (475, 100467), (513, 93025), (549, 86925), (675, 70699), (855, 55815), (915, 52155), (1159, 41175), (1425, 33489), (1525, 31293), (1647, 28975), (2565, 18605), (2745, 17385), (3477, 13725), (3721, 12825), (4275, 11163), (4575, 10431), (5795, 8235)]