154856775

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 263983104

約数和(自身を除く): 109126329

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 197, 223, 235, 591, 669, 705, 985, 1115, 1175, 2955, 3345, 3525, 4925, 5575, 9259, 10481, 14775, 16725, 27777, 31443, 43931, 46295, 52405, 131793, 138885, 157215, 219655, 231475, 262025, 658965, 694425, 786075, 1098275, 2064757, 3294825, 6194271, 10323785, 30971355, 51618925, 154856775]

約数ペア:

[(1, 154856775), (3, 51618925), (5, 30971355), (15, 10323785), (25, 6194271), (47, 3294825), (75, 2064757), (141, 1098275), (197, 786075), (223, 694425), (235, 658965), (591, 262025), (669, 231475), (705, 219655), (985, 157215), (1115, 138885), (1175, 131793), (2955, 52405), (3345, 46295), (3525, 43931), (4925, 31443), (5575, 27777), (9259, 16725), (10481, 14775)]