90717675

素因数分解:

$3^1\times 5^2\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{251}}^1$

素因数の和:404

約数の個数: 48

約数和(自身を含む): 154990080

約数和(自身を除く): 64272405

約数列:

[1, 3, 5, 15, 25, 61, 75, 79, 183, 237, 251, 305, 395, 753, 915, 1185, 1255, 1525, 1975, 3765, 4575, 4819, 5925, 6275, 14457, 15311, 18825, 19829, 24095, 45933, 59487, 72285, 76555, 99145, 120475, 229665, 297435, 361425, 382775, 495725, 1148325, 1209569, 1487175, 3628707, 6047845, 18143535, 30239225, 90717675]

約数ペア:

[(1, 90717675), (3, 30239225), (5, 18143535), (15, 6047845), (25, 3628707), (61, 1487175), (75, 1209569), (79, 1148325), (183, 495725), (237, 382775), (251, 361425), (305, 297435), (395, 229665), (753, 120475), (915, 99145), (1185, 76555), (1255, 72285), (1525, 59487), (1975, 45933), (3765, 24095), (4575, 19829), (4819, 18825), (5925, 15311), (6275, 14457)]