202318785

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^2\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:423

約数の個数: 72

約数和(自身を含む): 381603456

約数和(自身を除く): 179284671

約数列:

[1, 3, 5, 9, 15, 17, 45, 47, 51, 85, 141, 153, 235, 255, 289, 331, 423, 705, 765, 799, 867, 993, 1445, 1655, 2115, 2397, 2601, 2979, 3995, 4335, 4965, 5627, 7191, 11985, 13005, 13583, 14895, 15557, 16881, 28135, 35955, 40749, 46671, 50643, 67915, 77785, 84405, 95659, 122247, 140013, 203745, 233355, 253215, 264469, 286977, 478295, 611235, 700065, 793407, 860931, 1322345, 1434885, 2380221, 3967035, 4304655, 4495973, 11901105, 13487919, 22479865, 40463757, 67439595, 202318785]

約数ペア:

[(1, 202318785), (3, 67439595), (5, 40463757), (9, 22479865), (15, 13487919), (17, 11901105), (45, 4495973), (47, 4304655), (51, 3967035), (85, 2380221), (141, 1434885), (153, 1322345), (235, 860931), (255, 793407), (289, 700065), (331, 611235), (423, 478295), (705, 286977), (765, 264469), (799, 253215), (867, 233355), (993, 203745), (1445, 140013), (1655, 122247), (2115, 95659), (2397, 84405), (2601, 77785), (2979, 67915), (3995, 50643), (4335, 46671), (4965, 40749), (5627, 35955), (7191, 28135), (11985, 16881), (13005, 15557), (13583, 14895)]