18029175

素因数分解:

$3^1\times 5^2\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 31381920

約数和(自身を除く): 13352745

約数列:

[1, 3, 5, 15, 25, 37, 73, 75, 89, 111, 185, 219, 267, 365, 445, 555, 925, 1095, 1335, 1825, 2225, 2701, 2775, 3293, 5475, 6497, 6675, 8103, 9879, 13505, 16465, 19491, 32485, 40515, 49395, 67525, 82325, 97455, 162425, 202575, 240389, 246975, 487275, 721167, 1201945, 3605835, 6009725, 18029175]

約数ペア:

[(1, 18029175), (3, 6009725), (5, 3605835), (15, 1201945), (25, 721167), (37, 487275), (73, 246975), (75, 240389), (89, 202575), (111, 162425), (185, 97455), (219, 82325), (267, 67525), (365, 49395), (445, 40515), (555, 32485), (925, 19491), (1095, 16465), (1335, 13505), (1825, 9879), (2225, 8103), (2701, 6675), (2775, 6497), (3293, 5475)]