69897225

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 119992320

約数和(自身を除く): 50095095

約数列:

[1, 3, 5, 15, 25, 47, 75, 79, 141, 235, 237, 251, 395, 705, 753, 1175, 1185, 1255, 1975, 3525, 3713, 3765, 5925, 6275, 11139, 11797, 18565, 18825, 19829, 35391, 55695, 58985, 59487, 92825, 99145, 176955, 278475, 294925, 297435, 495725, 884775, 931963, 1487175, 2795889, 4659815, 13979445, 23299075, 69897225]

約数ペア:

[(1, 69897225), (3, 23299075), (5, 13979445), (15, 4659815), (25, 2795889), (47, 1487175), (75, 931963), (79, 884775), (141, 495725), (235, 297435), (237, 294925), (251, 278475), (395, 176955), (705, 99145), (753, 92825), (1175, 59487), (1185, 58985), (1255, 55695), (1975, 35391), (3525, 19829), (3713, 18825), (3765, 18565), (5925, 11797), (6275, 11139)]