81586575

素因数分解:

$3^3\times 5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{557}}^1$

素因数の和:614

約数の個数: 96

約数和(自身を含む): 177131520

約数和(自身を除く): 95544945

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 27, 31, 35, 45, 63, 75, 93, 105, 135, 155, 175, 189, 217, 225, 279, 315, 465, 525, 557, 651, 675, 775, 837, 945, 1085, 1395, 1575, 1671, 1953, 2325, 2785, 3255, 3899, 4185, 4725, 5013, 5425, 5859, 6975, 8355, 9765, 11697, 13925, 15039, 16275, 17267, 19495, 20925, 25065, 29295, 35091, 41775, 48825, 51801, 58485, 75195, 86335, 97475, 105273, 120869, 125325, 146475, 155403, 175455, 259005, 292425, 362607, 375975, 431675, 466209, 526365, 604345, 777015, 877275, 1087821, 1295025, 1813035, 2331045, 2631825, 3021725, 3263463, 3885075, 5439105, 9065175, 11655225, 16317315, 27195525, 81586575]

約数ペア:

[(1, 81586575), (3, 27195525), (5, 16317315), (7, 11655225), (9, 9065175), (15, 5439105), (21, 3885075), (25, 3263463), (27, 3021725), (31, 2631825), (35, 2331045), (45, 1813035), (63, 1295025), (75, 1087821), (93, 877275), (105, 777015), (135, 604345), (155, 526365), (175, 466209), (189, 431675), (217, 375975), (225, 362607), (279, 292425), (315, 259005), (465, 175455), (525, 155403), (557, 146475), (651, 125325), (675, 120869), (775, 105273), (837, 97475), (945, 86335), (1085, 75195), (1395, 58485), (1575, 51801), (1671, 48825), (1953, 41775), (2325, 35091), (2785, 29295), (3255, 25065), (3899, 20925), (4185, 19495), (4725, 17267), (5013, 16275), (5425, 15039), (5859, 13925), (6975, 11697), (8355, 9765)]