18060705

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{251}}^1$

素因数の和:319

約数の個数: 64

約数和(自身を含む): 35562240

約数和(自身を除く): 17501535

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 41, 45, 65, 117, 123, 135, 195, 205, 251, 351, 369, 533, 585, 615, 753, 1107, 1255, 1599, 1755, 1845, 2259, 2665, 3263, 3765, 4797, 5535, 6777, 7995, 9789, 10291, 11295, 14391, 16315, 23985, 29367, 30873, 33885, 48945, 51455, 71955, 88101, 92619, 133783, 146835, 154365, 277857, 401349, 440505, 463095, 668915, 1204047, 1389285, 2006745, 3612141, 6020235, 18060705]

約数ペア:

[(1, 18060705), (3, 6020235), (5, 3612141), (9, 2006745), (13, 1389285), (15, 1204047), (27, 668915), (39, 463095), (41, 440505), (45, 401349), (65, 277857), (117, 154365), (123, 146835), (135, 133783), (195, 92619), (205, 88101), (251, 71955), (351, 51455), (369, 48945), (533, 33885), (585, 30873), (615, 29367), (753, 23985), (1107, 16315), (1255, 14391), (1599, 11295), (1755, 10291), (1845, 9789), (2259, 7995), (2665, 6777), (3263, 5535), (3765, 4797)]