12997425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1303}}^1$

素因数の和:1342

約数の個数: 48

約数和(自身を含む): 25871360

約数和(自身を除く): 12873935

約数列:

[1, 3, 5, 7, 15, 19, 21, 25, 35, 57, 75, 95, 105, 133, 175, 285, 399, 475, 525, 665, 1303, 1425, 1995, 3325, 3909, 6515, 9121, 9975, 19545, 24757, 27363, 32575, 45605, 74271, 97725, 123785, 136815, 173299, 228025, 371355, 519897, 618925, 684075, 866495, 1856775, 2599485, 4332475, 12997425]

約数ペア:

[(1, 12997425), (3, 4332475), (5, 2599485), (7, 1856775), (15, 866495), (19, 684075), (21, 618925), (25, 519897), (35, 371355), (57, 228025), (75, 173299), (95, 136815), (105, 123785), (133, 97725), (175, 74271), (285, 45605), (399, 32575), (475, 27363), (525, 24757), (665, 19545), (1303, 9975), (1425, 9121), (1995, 6515), (3325, 3909)]