420042675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{18731}}^1$

素因数の和:18780

約数の個数: 48

約数和(自身を含む): 780450048

約数和(自身を除く): 360407373

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 897, 975, 1495, 1725, 4485, 7475, 18731, 22425, 56193, 93655, 243503, 280965, 430813, 468275, 730509, 1217515, 1292439, 1404825, 2154065, 3652545, 5600569, 6087575, 6462195, 10770325, 16801707, 18262725, 28002845, 32310975, 84008535, 140014225, 420042675]

約数ペア:

[(1, 420042675), (3, 140014225), (5, 84008535), (13, 32310975), (15, 28002845), (23, 18262725), (25, 16801707), (39, 10770325), (65, 6462195), (69, 6087575), (75, 5600569), (115, 3652545), (195, 2154065), (299, 1404825), (325, 1292439), (345, 1217515), (575, 730509), (897, 468275), (975, 430813), (1495, 280965), (1725, 243503), (4485, 93655), (7475, 56193), (18731, 22425)]