42682005

素因数分解:

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

素因数の和:219

約数の個数: 64

約数和(自身を含む): 79280640

約数和(自身を除く): 36598635

約数列:

[1, 3, 5, 9, 15, 27, 45, 61, 71, 73, 135, 183, 213, 219, 305, 355, 365, 549, 639, 657, 915, 1065, 1095, 1647, 1917, 1971, 2745, 3195, 3285, 4331, 4453, 5183, 8235, 9585, 9855, 12993, 13359, 15549, 21655, 22265, 25915, 38979, 40077, 46647, 64965, 66795, 77745, 116937, 120231, 139941, 194895, 200385, 233235, 316163, 584685, 601155, 699705, 948489, 1580815, 2845467, 4742445, 8536401, 14227335, 42682005]

約数ペア:

[(1, 42682005), (3, 14227335), (5, 8536401), (9, 4742445), (15, 2845467), (27, 1580815), (45, 948489), (61, 699705), (71, 601155), (73, 584685), (135, 316163), (183, 233235), (213, 200385), (219, 194895), (305, 139941), (355, 120231), (365, 116937), (549, 77745), (639, 66795), (657, 64965), (915, 46647), (1065, 40077), (1095, 38979), (1647, 25915), (1917, 22265), (1971, 21655), (2745, 15549), (3195, 13359), (3285, 12993), (4331, 9855), (4453, 9585), (5183, 8235)]