42784119

素因数分解:

$3^4\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1237}}^1$

素因数の和:1317

約数の個数: 40

約数和(自身を含む): 74299808

約数和(自身を除く): 31515689

約数列:

[1, 3, 7, 9, 21, 27, 61, 63, 81, 183, 189, 427, 549, 567, 1237, 1281, 1647, 3711, 3843, 4941, 8659, 11133, 11529, 25977, 33399, 34587, 75457, 77931, 100197, 226371, 233793, 528199, 679113, 701379, 1584597, 2037339, 4753791, 6112017, 14261373, 42784119]

約数ペア:

[(1, 42784119), (3, 14261373), (7, 6112017), (9, 4753791), (21, 2037339), (27, 1584597), (61, 701379), (63, 679113), (81, 528199), (183, 233793), (189, 226371), (427, 100197), (549, 77931), (567, 75457), (1237, 34587), (1281, 33399), (1647, 25977), (3711, 11529), (3843, 11133), (4941, 8659)]