12581325

素因数分解:

$3^5\times 5^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:153

約数の個数: 72

約数和(自身を含む): 24824800

約数和(自身を除く): 12243475

約数列:

[1, 3, 5, 9, 15, 19, 25, 27, 45, 57, 75, 81, 95, 109, 135, 171, 225, 243, 285, 327, 405, 475, 513, 545, 675, 855, 981, 1215, 1425, 1539, 1635, 2025, 2071, 2565, 2725, 2943, 4275, 4617, 4905, 6075, 6213, 7695, 8175, 8829, 10355, 12825, 14715, 18639, 23085, 24525, 26487, 31065, 38475, 44145, 51775, 55917, 73575, 93195, 115425, 132435, 155325, 167751, 220725, 279585, 465975, 503253, 662175, 838755, 1397925, 2516265, 4193775, 12581325]

約数ペア:

[(1, 12581325), (3, 4193775), (5, 2516265), (9, 1397925), (15, 838755), (19, 662175), (25, 503253), (27, 465975), (45, 279585), (57, 220725), (75, 167751), (81, 155325), (95, 132435), (109, 115425), (135, 93195), (171, 73575), (225, 55917), (243, 51775), (285, 44145), (327, 38475), (405, 31065), (475, 26487), (513, 24525), (545, 23085), (675, 18639), (855, 14715), (981, 12825), (1215, 10355), (1425, 8829), (1539, 8175), (1635, 7695), (2025, 6213), (2071, 6075), (2565, 4905), (2725, 4617), (2943, 4275)]