2978325

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:115

約数の個数: 72

約数和(自身を含む): 6396416

約数和(自身を除く): 3418091

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 31, 35, 45, 61, 63, 75, 93, 105, 155, 175, 183, 217, 225, 279, 305, 315, 427, 465, 525, 549, 651, 775, 915, 1085, 1281, 1395, 1525, 1575, 1891, 1953, 2135, 2325, 2745, 3255, 3843, 4575, 5425, 5673, 6405, 6975, 9455, 9765, 10675, 13237, 13725, 16275, 17019, 19215, 28365, 32025, 39711, 47275, 48825, 66185, 85095, 96075, 119133, 141825, 198555, 330925, 425475, 595665, 992775, 2978325]

約数ペア:

[(1, 2978325), (3, 992775), (5, 595665), (7, 425475), (9, 330925), (15, 198555), (21, 141825), (25, 119133), (31, 96075), (35, 85095), (45, 66185), (61, 48825), (63, 47275), (75, 39711), (93, 32025), (105, 28365), (155, 19215), (175, 17019), (183, 16275), (217, 13725), (225, 13237), (279, 10675), (305, 9765), (315, 9455), (427, 6975), (465, 6405), (525, 5673), (549, 5425), (651, 4575), (775, 3843), (915, 3255), (1085, 2745), (1281, 2325), (1395, 2135), (1525, 1953), (1575, 1891)]