9718947

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{281}}^1$

素因数の和:361

約数の個数: 40

約数和(自身を含む): 16924512

約数和(自身を除く): 7205565

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 281, 427, 549, 567, 843, 1281, 1647, 1967, 2529, 3843, 4941, 5901, 7587, 11529, 17141, 17703, 22761, 34587, 51423, 53109, 119987, 154269, 159327, 359961, 462807, 1079883, 1388421, 3239649, 9718947]

約数ペア:

[(1, 9718947), (3, 3239649), (7, 1388421), (9, 1079883), (21, 462807), (27, 359961), (61, 159327), (63, 154269), (81, 119987), (183, 53109), (189, 51423), (281, 34587), (427, 22761), (549, 17703), (567, 17141), (843, 11529), (1281, 7587), (1647, 5901), (1967, 4941), (2529, 3843)]