61661145

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{199}}^1\times {\mathrm{227}}^1$

素因数の和:454

約数の個数: 64

約数和(自身を含む): 122572800

約数和(自身を除く): 60911655

約数列:

[1, 3, 5, 7, 13, 15, 21, 35, 39, 65, 91, 105, 195, 199, 227, 273, 455, 597, 681, 995, 1135, 1365, 1393, 1589, 2587, 2951, 2985, 3405, 4179, 4767, 6965, 7761, 7945, 8853, 12935, 14755, 18109, 20657, 20895, 23835, 38805, 44265, 45173, 54327, 61971, 90545, 103285, 135519, 225865, 271635, 309855, 316211, 587249, 677595, 948633, 1581055, 1761747, 2936245, 4110743, 4743165, 8808735, 12332229, 20553715, 61661145]

約数ペア:

[(1, 61661145), (3, 20553715), (5, 12332229), (7, 8808735), (13, 4743165), (15, 4110743), (21, 2936245), (35, 1761747), (39, 1581055), (65, 948633), (91, 677595), (105, 587249), (195, 316211), (199, 309855), (227, 271635), (273, 225865), (455, 135519), (597, 103285), (681, 90545), (995, 61971), (1135, 54327), (1365, 45173), (1393, 44265), (1589, 38805), (2587, 23835), (2951, 20895), (2985, 20657), (3405, 18109), (4179, 14755), (4767, 12935), (6965, 8853), (7761, 7945)]