389203425

素因数分解:

$3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{491}}^1$

素因数の和:791

約数の個数: 72

約数和(自身を含む): 755035008

約数和(自身を除く): 365831583

約数列:

[1, 3, 5, 9, 13, 15, 25, 39, 45, 65, 75, 117, 195, 225, 271, 325, 491, 585, 813, 975, 1355, 1473, 2439, 2455, 2925, 3523, 4065, 4419, 6383, 6775, 7365, 10569, 12195, 12275, 17615, 19149, 20325, 22095, 31707, 31915, 36825, 52845, 57447, 60975, 88075, 95745, 110475, 133061, 158535, 159575, 264225, 287235, 399183, 478725, 665305, 792675, 1197549, 1436175, 1729793, 1995915, 3326525, 5189379, 5987745, 8648965, 9979575, 15568137, 25946895, 29938725, 43244825, 77840685, 129734475, 389203425]

約数ペア:

[(1, 389203425), (3, 129734475), (5, 77840685), (9, 43244825), (13, 29938725), (15, 25946895), (25, 15568137), (39, 9979575), (45, 8648965), (65, 5987745), (75, 5189379), (117, 3326525), (195, 1995915), (225, 1729793), (271, 1436175), (325, 1197549), (491, 792675), (585, 665305), (813, 478725), (975, 399183), (1355, 287235), (1473, 264225), (2439, 159575), (2455, 158535), (2925, 133061), (3523, 110475), (4065, 95745), (4419, 88075), (6383, 60975), (6775, 57447), (7365, 52845), (10569, 36825), (12195, 31915), (12275, 31707), (17615, 22095), (19149, 20325)]