161856405

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{9199}}^1$

素因数の和:9250

約数の個数: 48

約数和(自身を含む): 310003200

約数和(自身を除く): 148146795

約数列:

[1, 3, 5, 9, 15, 17, 23, 45, 51, 69, 85, 115, 153, 207, 255, 345, 391, 765, 1035, 1173, 1955, 3519, 5865, 9199, 17595, 27597, 45995, 82791, 137985, 156383, 211577, 413955, 469149, 634731, 781915, 1057885, 1407447, 1904193, 2345745, 3173655, 3596809, 7037235, 9520965, 10790427, 17984045, 32371281, 53952135, 161856405]

約数ペア:

[(1, 161856405), (3, 53952135), (5, 32371281), (9, 17984045), (15, 10790427), (17, 9520965), (23, 7037235), (45, 3596809), (51, 3173655), (69, 2345745), (85, 1904193), (115, 1407447), (153, 1057885), (207, 781915), (255, 634731), (345, 469149), (391, 413955), (765, 211577), (1035, 156383), (1173, 137985), (1955, 82791), (3519, 45995), (5865, 27597), (9199, 17595)]