28415703915

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{46489}}^1$

素因数の和:46581

約数の個数: 72

約数和(自身を含む): 53435977920

約数和(自身を除く): 25020274005

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 289, 423, 705, 765, 799, 867, 1445, 2115, 2397, 2601, 3995, 4335, 7191, 11985, 13005, 13583, 35955, 40749, 46489, 67915, 122247, 139467, 203745, 232445, 418401, 611235, 697335, 790313, 2092005, 2184983, 2370939, 3951565, 6554949, 7112817, 10924915, 11854695, 13435321, 19664847, 32774745, 35564085, 37144711, 40305963, 67176605, 98324235, 111434133, 120917889, 185723555, 201529815, 334302399, 557170665, 604589445, 631460087, 1671511995, 1894380261, 3157300435, 5683140783, 9471901305, 28415703915]

約数ペア:

[(1, 28415703915), (3, 9471901305), (5, 5683140783), (9, 3157300435), (15, 1894380261), (17, 1671511995), (45, 631460087), (47, 604589445), (51, 557170665), (85, 334302399), (141, 201529815), (153, 185723555), (235, 120917889), (255, 111434133), (289, 98324235), (423, 67176605), (705, 40305963), (765, 37144711), (799, 35564085), (867, 32774745), (1445, 19664847), (2115, 13435321), (2397, 11854695), (2601, 10924915), (3995, 7112817), (4335, 6554949), (7191, 3951565), (11985, 2370939), (13005, 2184983), (13583, 2092005), (35955, 790313), (40749, 697335), (46489, 611235), (67915, 418401), (122247, 232445), (139467, 203745)]