78415185

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{503}}^1\times {\mathrm{547}}^1$

素因数の和:1077

約数の個数: 32

約数和(自身を含む): 132572160

約数和(自身を除く): 54156975

約数列:

[1, 3, 5, 15, 19, 57, 95, 285, 503, 547, 1509, 1641, 2515, 2735, 7545, 8205, 9557, 10393, 28671, 31179, 47785, 51965, 143355, 155895, 275141, 825423, 1375705, 4127115, 5227679, 15683037, 26138395, 78415185]

約数ペア:

[(1, 78415185), (3, 26138395), (5, 15683037), (15, 5227679), (19, 4127115), (57, 1375705), (95, 825423), (285, 275141), (503, 155895), (547, 143355), (1509, 51965), (1641, 47785), (2515, 31179), (2735, 28671), (7545, 10393), (8205, 9557)]