218362575

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{1229}}^1$

素因数の和:1368

約数の個数: 48

約数和(自身を含む): 380689920

約数和(自身を除く): 162327345

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 103, 115, 309, 345, 515, 575, 1229, 1545, 1725, 2369, 2575, 3687, 6145, 7107, 7725, 11845, 18435, 28267, 30725, 35535, 59225, 84801, 92175, 126587, 141335, 177675, 379761, 424005, 632935, 706675, 1898805, 2120025, 2911501, 3164675, 8734503, 9494025, 14557505, 43672515, 72787525, 218362575]

約数ペア:

[(1, 218362575), (3, 72787525), (5, 43672515), (15, 14557505), (23, 9494025), (25, 8734503), (69, 3164675), (75, 2911501), (103, 2120025), (115, 1898805), (309, 706675), (345, 632935), (515, 424005), (575, 379761), (1229, 177675), (1545, 141335), (1725, 126587), (2369, 92175), (2575, 84801), (3687, 59225), (6145, 35535), (7107, 30725), (7725, 28267), (11845, 18435)]