187488903

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 322375680

約数和(自身を除く): 134886777

約数列:

[1, 3, 7, 17, 19, 21, 51, 57, 119, 131, 133, 211, 323, 357, 393, 399, 633, 917, 969, 1477, 2227, 2261, 2489, 2751, 3587, 4009, 4431, 6681, 6783, 7467, 10761, 12027, 15589, 17423, 25109, 27641, 28063, 42313, 46767, 52269, 68153, 75327, 82923, 84189, 126939, 193487, 204459, 296191, 469897, 477071, 525179, 580461, 888573, 1409691, 1431213, 1575537, 3289279, 3676253, 8928043, 9867837, 11028759, 26784129, 62496301, 187488903]

約数ペア:

[(1, 187488903), (3, 62496301), (7, 26784129), (17, 11028759), (19, 9867837), (21, 8928043), (51, 3676253), (57, 3289279), (119, 1575537), (131, 1431213), (133, 1409691), (211, 888573), (323, 580461), (357, 525179), (393, 477071), (399, 469897), (633, 296191), (917, 204459), (969, 193487), (1477, 126939), (2227, 84189), (2261, 82923), (2489, 75327), (2751, 68153), (3587, 52269), (4009, 46767), (4431, 42313), (6681, 28063), (6783, 27641), (7467, 25109), (10761, 17423), (12027, 15589)]