236864511

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{23}}^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1$

素因数の和:197

約数の個数: 72

約数和(自身を含む): 398558160

約数和(自身を除く): 161693649

約数列:

[1, 3, 9, 13, 23, 39, 43, 69, 89, 117, 129, 207, 267, 299, 387, 529, 559, 801, 897, 989, 1157, 1587, 1677, 2047, 2691, 2967, 3471, 3827, 4761, 5031, 6141, 6877, 8901, 10413, 11481, 12857, 18423, 20631, 22747, 26611, 34443, 38571, 47081, 49751, 61893, 68241, 79833, 88021, 115713, 141243, 149253, 204723, 239499, 264063, 295711, 423729, 447759, 612053, 792189, 887133, 1144273, 1836159, 2024483, 2661399, 3432819, 5508477, 6073449, 10298457, 18220347, 26318279, 78954837, 236864511]

約数ペア:

[(1, 236864511), (3, 78954837), (9, 26318279), (13, 18220347), (23, 10298457), (39, 6073449), (43, 5508477), (69, 3432819), (89, 2661399), (117, 2024483), (129, 1836159), (207, 1144273), (267, 887133), (299, 792189), (387, 612053), (529, 447759), (559, 423729), (801, 295711), (897, 264063), (989, 239499), (1157, 204723), (1587, 149253), (1677, 141243), (2047, 115713), (2691, 88021), (2967, 79833), (3471, 68241), (3827, 61893), (4761, 49751), (5031, 47081), (6141, 38571), (6877, 34443), (8901, 26611), (10413, 22747), (11481, 20631), (12857, 18423)]