30945705

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{593}}^1$

素因数の和:686

約数の個数: 48

約数和(自身を含む): 58506624

約数和(自身を除く): 27560919

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 71, 105, 147, 213, 245, 355, 497, 593, 735, 1065, 1491, 1779, 2485, 2965, 3479, 4151, 7455, 8895, 10437, 12453, 17395, 20755, 29057, 42103, 52185, 62265, 87171, 126309, 145285, 210515, 294721, 435855, 631545, 884163, 1473605, 2063047, 4420815, 6189141, 10315235, 30945705]

約数ペア:

[(1, 30945705), (3, 10315235), (5, 6189141), (7, 4420815), (15, 2063047), (21, 1473605), (35, 884163), (49, 631545), (71, 435855), (105, 294721), (147, 210515), (213, 145285), (245, 126309), (355, 87171), (497, 62265), (593, 52185), (735, 42103), (1065, 29057), (1491, 20755), (1779, 17395), (2485, 12453), (2965, 10437), (3479, 8895), (4151, 7455)]