42340545

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{461}}^1$

素因数の和:642

約数の個数: 48

約数和(自身を含む): 79711632

約数和(自身を除く): 37371087

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 157, 195, 461, 471, 585, 785, 1383, 1413, 2041, 2305, 2355, 4149, 5993, 6123, 6915, 7065, 10205, 17979, 18369, 20745, 29965, 30615, 53937, 72377, 89895, 91845, 217131, 269685, 361885, 651393, 940901, 1085655, 2822703, 3256965, 4704505, 8468109, 14113515, 42340545]

約数ペア:

[(1, 42340545), (3, 14113515), (5, 8468109), (9, 4704505), (13, 3256965), (15, 2822703), (39, 1085655), (45, 940901), (65, 651393), (117, 361885), (157, 269685), (195, 217131), (461, 91845), (471, 89895), (585, 72377), (785, 53937), (1383, 30615), (1413, 29965), (2041, 20745), (2305, 18369), (2355, 17979), (4149, 10205), (5993, 7065), (6123, 6915)]