209900535

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{2671}}^1$

素因数の和:2736

約数の個数: 48

約数和(自身を含む): 375533568

約数和(自身を除く): 165633033

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 169, 195, 403, 465, 507, 845, 1209, 2015, 2535, 2671, 5239, 6045, 8013, 13355, 15717, 26195, 34723, 40065, 78585, 82801, 104169, 173615, 248403, 414005, 451399, 520845, 1076413, 1242015, 1354197, 2256995, 3229239, 5382065, 6770985, 13993369, 16146195, 41980107, 69966845, 209900535]

約数ペア:

[(1, 209900535), (3, 69966845), (5, 41980107), (13, 16146195), (15, 13993369), (31, 6770985), (39, 5382065), (65, 3229239), (93, 2256995), (155, 1354197), (169, 1242015), (195, 1076413), (403, 520845), (465, 451399), (507, 414005), (845, 248403), (1209, 173615), (2015, 104169), (2535, 82801), (2671, 78585), (5239, 40065), (6045, 34723), (8013, 26195), (13355, 15717)]