30393965

素因数分解:

$5^1\times 7^2\times {\mathrm{131}}^1\times {\mathrm{947}}^1$

素因数の和:1097

約数の個数: 24

約数和(自身を含む): 42796512

約数和(自身を除く): 12402547

約数列:

[1, 5, 7, 35, 49, 131, 245, 655, 917, 947, 4585, 4735, 6419, 6629, 32095, 33145, 46403, 124057, 232015, 620285, 868399, 4341995, 6078793, 30393965]

約数ペア:

[(1, 30393965), (5, 6078793), (7, 4341995), (35, 868399), (49, 620285), (131, 232015), (245, 124057), (655, 46403), (917, 33145), (947, 32095), (4585, 6629), (4735, 6419)]