401781645

素因数分解:

$3^2\times 5^1\times {\mathrm{127}}^1\times {\mathrm{229}}^1\times {\mathrm{307}}^1$

素因数の和:674

約数の個数: 48

約数和(自身を含む): 707266560

約数和(自身を除く): 305484915

約数列:

[1, 3, 5, 9, 15, 45, 127, 229, 307, 381, 635, 687, 921, 1143, 1145, 1535, 1905, 2061, 2763, 3435, 4605, 5715, 10305, 13815, 29083, 38989, 70303, 87249, 116967, 145415, 194945, 210909, 261747, 350901, 351515, 436245, 584835, 632727, 1054545, 1308735, 1754505, 3163635, 8928481, 26785443, 44642405, 80356329, 133927215, 401781645]

約数ペア:

[(1, 401781645), (3, 133927215), (5, 80356329), (9, 44642405), (15, 26785443), (45, 8928481), (127, 3163635), (229, 1754505), (307, 1308735), (381, 1054545), (635, 632727), (687, 584835), (921, 436245), (1143, 351515), (1145, 350901), (1535, 261747), (1905, 210909), (2061, 194945), (2763, 145415), (3435, 116967), (4605, 87249), (5715, 70303), (10305, 38989), (13815, 29083)]