128103075

素因数分解:

$3^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{313}}^1$

素因数の和:453

約数の個数: 72

約数和(自身を含む): 245997648

約数和(自身を除く): 117894573

約数列:

[1, 3, 5, 9, 15, 17, 25, 45, 51, 75, 85, 107, 153, 225, 255, 313, 321, 425, 535, 765, 939, 963, 1275, 1565, 1605, 1819, 2675, 2817, 3825, 4695, 4815, 5321, 5457, 7825, 8025, 9095, 14085, 15963, 16371, 23475, 24075, 26605, 27285, 33491, 45475, 47889, 70425, 79815, 81855, 100473, 133025, 136425, 167455, 239445, 301419, 399075, 409275, 502365, 569347, 837275, 1197225, 1507095, 1708041, 2511825, 2846735, 5124123, 7535475, 8540205, 14233675, 25620615, 42701025, 128103075]

約数ペア:

[(1, 128103075), (3, 42701025), (5, 25620615), (9, 14233675), (15, 8540205), (17, 7535475), (25, 5124123), (45, 2846735), (51, 2511825), (75, 1708041), (85, 1507095), (107, 1197225), (153, 837275), (225, 569347), (255, 502365), (313, 409275), (321, 399075), (425, 301419), (535, 239445), (765, 167455), (939, 136425), (963, 133025), (1275, 100473), (1565, 81855), (1605, 79815), (1819, 70425), (2675, 47889), (2817, 45475), (3825, 33491), (4695, 27285), (4815, 26605), (5321, 24075), (5457, 23475), (7825, 16371), (8025, 15963), (9095, 14085)]