72151815

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{1931}}^1$

素因数の和:2039

約数の個数: 32

約数和(自身を含む): 120185856

約数和(自身を除く): 48034041

約数列:

[1, 3, 5, 15, 47, 53, 141, 159, 235, 265, 705, 795, 1931, 2491, 5793, 7473, 9655, 12455, 28965, 37365, 90757, 102343, 272271, 307029, 453785, 511715, 1361355, 1535145, 4810121, 14430363, 24050605, 72151815]

約数ペア:

[(1, 72151815), (3, 24050605), (5, 14430363), (15, 4810121), (47, 1535145), (53, 1361355), (141, 511715), (159, 453785), (235, 307029), (265, 272271), (705, 102343), (795, 90757), (1931, 37365), (2491, 28965), (5793, 12455), (7473, 9655)]