165710025

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{181}}^1\times {\mathrm{313}}^1$

素因数の和:523

約数の個数: 72

約数和(自身を含む): 322429016

約数和(自身を除く): 156718991

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 181, 195, 225, 313, 325, 543, 585, 905, 939, 975, 1565, 1629, 2353, 2715, 2817, 2925, 4069, 4525, 4695, 7059, 7825, 8145, 11765, 12207, 13575, 14085, 20345, 21177, 23475, 35295, 36621, 40725, 56653, 58825, 61035, 70425, 101725, 105885, 169959, 176475, 183105, 283265, 305175, 509877, 529425, 736489, 849795, 915525, 1416325, 2209467, 2549385, 3682445, 4248975, 6628401, 11047335, 12746925, 18412225, 33142005, 55236675, 165710025]

約数ペア:

[(1, 165710025), (3, 55236675), (5, 33142005), (9, 18412225), (13, 12746925), (15, 11047335), (25, 6628401), (39, 4248975), (45, 3682445), (65, 2549385), (75, 2209467), (117, 1416325), (181, 915525), (195, 849795), (225, 736489), (313, 529425), (325, 509877), (543, 305175), (585, 283265), (905, 183105), (939, 176475), (975, 169959), (1565, 105885), (1629, 101725), (2353, 70425), (2715, 61035), (2817, 58825), (2925, 56653), (4069, 40725), (4525, 36621), (4695, 35295), (7059, 23475), (7825, 21177), (8145, 20345), (11765, 14085), (12207, 13575)]