81557388

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^2\times {\mathrm{79}}^2$

素因数の和:193

約数の個数: 108

約数和(自身を含む): 235394040

約数和(自身を除く): 153836652

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 79, 99, 108, 121, 132, 158, 198, 237, 242, 297, 316, 363, 396, 474, 484, 594, 711, 726, 869, 948, 1089, 1188, 1422, 1452, 1738, 2133, 2178, 2607, 2844, 3267, 3476, 4266, 4356, 5214, 6241, 6534, 7821, 8532, 9559, 10428, 12482, 13068, 15642, 18723, 19118, 23463, 24964, 28677, 31284, 37446, 38236, 46926, 56169, 57354, 68651, 74892, 86031, 93852, 112338, 114708, 137302, 168507, 172062, 205953, 224676, 258093, 274604, 337014, 344124, 411906, 516186, 617859, 674028, 755161, 823812, 1032372, 1235718, 1510322, 1853577, 2265483, 2471436, 3020644, 3707154, 4530966, 6796449, 7414308, 9061932, 13592898, 20389347, 27185796, 40778694, 81557388]

約数ペア:

[(1, 81557388), (2, 40778694), (3, 27185796), (4, 20389347), (6, 13592898), (9, 9061932), (11, 7414308), (12, 6796449), (18, 4530966), (22, 3707154), (27, 3020644), (33, 2471436), (36, 2265483), (44, 1853577), (54, 1510322), (66, 1235718), (79, 1032372), (99, 823812), (108, 755161), (121, 674028), (132, 617859), (158, 516186), (198, 411906), (237, 344124), (242, 337014), (297, 274604), (316, 258093), (363, 224676), (396, 205953), (474, 172062), (484, 168507), (594, 137302), (711, 114708), (726, 112338), (869, 93852), (948, 86031), (1089, 74892), (1188, 68651), (1422, 57354), (1452, 56169), (1738, 46926), (2133, 38236), (2178, 37446), (2607, 31284), (2844, 28677), (3267, 24964), (3476, 23463), (4266, 19118), (4356, 18723), (5214, 15642), (6241, 13068), (6534, 12482), (7821, 10428), (8532, 9559)]