217620975

素因数分解:

$3^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{197}}^1$

素因数の和:337

約数の個数: 96

約数和(自身を含む): 428972544

約数和(自身を除く): 211351569

約数列:

[1, 3, 5, 11, 13, 15, 25, 33, 39, 55, 65, 75, 103, 143, 165, 195, 197, 275, 309, 325, 429, 515, 591, 715, 825, 975, 985, 1133, 1339, 1545, 2145, 2167, 2561, 2575, 2955, 3399, 3575, 4017, 4925, 5665, 6501, 6695, 7683, 7725, 10725, 10835, 12805, 14729, 14775, 16995, 20085, 20291, 28171, 28325, 32505, 33475, 38415, 44187, 54175, 60873, 64025, 73645, 84513, 84975, 100425, 101455, 140855, 162525, 192075, 220935, 223201, 263783, 304365, 368225, 422565, 507275, 669603, 704275, 791349, 1104675, 1116005, 1318915, 1521825, 2112825, 2901613, 3348015, 3956745, 5580025, 6594575, 8704839, 14508065, 16740075, 19783725, 43524195, 72540325, 217620975]

約数ペア:

[(1, 217620975), (3, 72540325), (5, 43524195), (11, 19783725), (13, 16740075), (15, 14508065), (25, 8704839), (33, 6594575), (39, 5580025), (55, 3956745), (65, 3348015), (75, 2901613), (103, 2112825), (143, 1521825), (165, 1318915), (195, 1116005), (197, 1104675), (275, 791349), (309, 704275), (325, 669603), (429, 507275), (515, 422565), (591, 368225), (715, 304365), (825, 263783), (975, 223201), (985, 220935), (1133, 192075), (1339, 162525), (1545, 140855), (2145, 101455), (2167, 100425), (2561, 84975), (2575, 84513), (2955, 73645), (3399, 64025), (3575, 60873), (4017, 54175), (4925, 44187), (5665, 38415), (6501, 33475), (6695, 32505), (7683, 28325), (7725, 28171), (10725, 20291), (10835, 20085), (12805, 16995), (14729, 14775)]