201912975

素因数分解:

$3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{3547}}^1$

素因数の和:3597

約数の個数: 72

約数和(自身を含む): 411795072

約数和(自身を除く): 209882097

約数列:

[1, 3, 5, 9, 11, 15, 23, 25, 33, 45, 55, 69, 75, 99, 115, 165, 207, 225, 253, 275, 345, 495, 575, 759, 825, 1035, 1265, 1725, 2277, 2475, 3547, 3795, 5175, 6325, 10641, 11385, 17735, 18975, 31923, 39017, 53205, 56925, 81581, 88675, 117051, 159615, 195085, 244743, 266025, 351153, 407905, 585255, 734229, 798075, 897391, 975425, 1223715, 1755765, 2039525, 2692173, 2926275, 3671145, 4486955, 6118575, 8076519, 8778825, 13460865, 18355725, 22434775, 40382595, 67304325, 201912975]

約数ペア:

[(1, 201912975), (3, 67304325), (5, 40382595), (9, 22434775), (11, 18355725), (15, 13460865), (23, 8778825), (25, 8076519), (33, 6118575), (45, 4486955), (55, 3671145), (69, 2926275), (75, 2692173), (99, 2039525), (115, 1755765), (165, 1223715), (207, 975425), (225, 897391), (253, 798075), (275, 734229), (345, 585255), (495, 407905), (575, 351153), (759, 266025), (825, 244743), (1035, 195085), (1265, 159615), (1725, 117051), (2277, 88675), (2475, 81581), (3547, 56925), (3795, 53205), (5175, 39017), (6325, 31923), (10641, 18975), (11385, 17735)]