215865195

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{158143}}^1$

素因数の和:158171

約数の個数: 32

約数和(自身を含む): 425091072

約数和(自身を除く): 209225877

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 273, 455, 1365, 158143, 474429, 790715, 1107001, 2055859, 2372145, 3321003, 5535005, 6167577, 10279295, 14391013, 16605015, 30837885, 43173039, 71955065, 215865195]

約数ペア:

[(1, 215865195), (3, 71955065), (5, 43173039), (7, 30837885), (13, 16605015), (15, 14391013), (21, 10279295), (35, 6167577), (39, 5535005), (65, 3321003), (91, 2372145), (105, 2055859), (195, 1107001), (273, 790715), (455, 474429), (1365, 158143)]