213410025

素因数分解:

$3^3\times 5^2\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:224

約数の個数: 96

約数和(自身を含む): 409616640

約数和(自身を除く): 196206615

約数列:

[1, 3, 5, 9, 15, 25, 27, 45, 61, 71, 73, 75, 135, 183, 213, 219, 225, 305, 355, 365, 549, 639, 657, 675, 915, 1065, 1095, 1525, 1647, 1775, 1825, 1917, 1971, 2745, 3195, 3285, 4331, 4453, 4575, 5183, 5325, 5475, 8235, 9585, 9855, 12993, 13359, 13725, 15549, 15975, 16425, 21655, 22265, 25915, 38979, 40077, 41175, 46647, 47925, 49275, 64965, 66795, 77745, 108275, 111325, 116937, 120231, 129575, 139941, 194895, 200385, 233235, 316163, 324825, 333975, 388725, 584685, 601155, 699705, 948489, 974475, 1001925, 1166175, 1580815, 2845467, 2923425, 3005775, 3498525, 4742445, 7904075, 8536401, 14227335, 23712225, 42682005, 71136675, 213410025]

約数ペア:

[(1, 213410025), (3, 71136675), (5, 42682005), (9, 23712225), (15, 14227335), (25, 8536401), (27, 7904075), (45, 4742445), (61, 3498525), (71, 3005775), (73, 2923425), (75, 2845467), (135, 1580815), (183, 1166175), (213, 1001925), (219, 974475), (225, 948489), (305, 699705), (355, 601155), (365, 584685), (549, 388725), (639, 333975), (657, 324825), (675, 316163), (915, 233235), (1065, 200385), (1095, 194895), (1525, 139941), (1647, 129575), (1775, 120231), (1825, 116937), (1917, 111325), (1971, 108275), (2745, 77745), (3195, 66795), (3285, 64965), (4331, 49275), (4453, 47925), (4575, 46647), (5183, 41175), (5325, 40077), (5475, 38979), (8235, 25915), (9585, 22265), (9855, 21655), (12993, 16425), (13359, 15975), (13725, 15549)]