1799227521

素因数分解:

$3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{18461}}^1$

素因数の和:18511

約数の個数: 72

約数和(自身を含む): 3447446184

約数和(自身を除く): 1648218663

約数列:

[1, 3, 7, 9, 13, 17, 21, 39, 49, 51, 63, 91, 117, 119, 147, 153, 221, 273, 357, 441, 637, 663, 819, 833, 1071, 1547, 1911, 1989, 2499, 4641, 5733, 7497, 10829, 13923, 18461, 32487, 55383, 97461, 129227, 166149, 239993, 313837, 387681, 719979, 904589, 941511, 1163043, 1679951, 2159937, 2196859, 2713767, 2824533, 4079881, 5039853, 6590577, 8141301, 11759657, 12239643, 15119559, 15378013, 19771731, 28559167, 35278971, 36718929, 46134039, 85677501, 105836913, 138402117, 199914169, 257032503, 599742507, 1799227521]

約数ペア:

[(1, 1799227521), (3, 599742507), (7, 257032503), (9, 199914169), (13, 138402117), (17, 105836913), (21, 85677501), (39, 46134039), (49, 36718929), (51, 35278971), (63, 28559167), (91, 19771731), (117, 15378013), (119, 15119559), (147, 12239643), (153, 11759657), (221, 8141301), (273, 6590577), (357, 5039853), (441, 4079881), (637, 2824533), (663, 2713767), (819, 2196859), (833, 2159937), (1071, 1679951), (1547, 1163043), (1911, 941511), (1989, 904589), (2499, 719979), (4641, 387681), (5733, 313837), (7497, 239993), (10829, 166149), (13923, 129227), (18461, 97461), (32487, 55383)]