1661528211

素因数分解:

$3^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{503}}^1\times {\mathrm{977}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 2697214464

約数和(自身を除く): 1035686253

約数列:

[1, 3, 7, 21, 23, 49, 69, 147, 161, 483, 503, 977, 1127, 1509, 2931, 3381, 3521, 6839, 10563, 11569, 20517, 22471, 24647, 34707, 47873, 67413, 73941, 80983, 143619, 157297, 242949, 471891, 491431, 566881, 1101079, 1474293, 1700643, 3303237, 3440017, 10320051, 11302913, 24080119, 33908739, 72240357, 79120391, 237361173, 553842737, 1661528211]

約数ペア:

[(1, 1661528211), (3, 553842737), (7, 237361173), (21, 79120391), (23, 72240357), (49, 33908739), (69, 24080119), (147, 11302913), (161, 10320051), (483, 3440017), (503, 3303237), (977, 1700643), (1127, 1474293), (1509, 1101079), (2931, 566881), (3381, 491431), (3521, 471891), (6839, 242949), (10563, 157297), (11569, 143619), (20517, 80983), (22471, 73941), (24647, 67413), (34707, 47873)]