28876095

素因数分解:

$3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{47}}^1$

素因数の和:142

約数の個数: 80

約数和(自身を含む): 55617408

約数和(自身を除く): 26741313

約数列:

[1, 3, 5, 9, 15, 27, 37, 41, 45, 47, 81, 111, 123, 135, 141, 185, 205, 235, 333, 369, 405, 423, 555, 615, 705, 999, 1107, 1269, 1517, 1665, 1739, 1845, 1927, 2115, 2997, 3321, 3807, 4551, 4995, 5217, 5535, 5781, 6345, 7585, 8695, 9635, 13653, 14985, 15651, 16605, 17343, 19035, 22755, 26085, 28905, 40959, 46953, 52029, 68265, 71299, 78255, 86715, 122877, 140859, 156087, 204795, 213897, 234765, 260145, 356495, 614385, 641691, 704295, 780435, 1069485, 1925073, 3208455, 5775219, 9625365, 28876095]

約数ペア:

[(1, 28876095), (3, 9625365), (5, 5775219), (9, 3208455), (15, 1925073), (27, 1069485), (37, 780435), (41, 704295), (45, 641691), (47, 614385), (81, 356495), (111, 260145), (123, 234765), (135, 213897), (141, 204795), (185, 156087), (205, 140859), (235, 122877), (333, 86715), (369, 78255), (405, 71299), (423, 68265), (555, 52029), (615, 46953), (705, 40959), (999, 28905), (1107, 26085), (1269, 22755), (1517, 19035), (1665, 17343), (1739, 16605), (1845, 15651), (1927, 14985), (2115, 13653), (2997, 9635), (3321, 8695), (3807, 7585), (4551, 6345), (4995, 5781), (5217, 5535)]