72645987

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1$

素因数の和:387

約数の個数: 32

約数和(自身を含む): 105235200

約数和(自身を除く): 32589213

約数列:

[1, 3, 19, 53, 57, 139, 159, 173, 417, 519, 1007, 2641, 3021, 3287, 7367, 7923, 9169, 9861, 22101, 24047, 27507, 72141, 139973, 174211, 419919, 456893, 522633, 1274491, 1370679, 3823473, 24215329, 72645987]

約数ペア:

[(1, 72645987), (3, 24215329), (19, 3823473), (53, 1370679), (57, 1274491), (139, 522633), (159, 456893), (173, 419919), (417, 174211), (519, 139973), (1007, 72141), (2641, 27507), (3021, 24047), (3287, 22101), (7367, 9861), (7923, 9169)]