395304315

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{1861}}^1$

素因数の和:1917

約数の個数: 72

約数和(自身を含む): 781995312

約数和(自身を除く): 386690997

約数列:

[1, 3, 5, 7, 15, 17, 21, 35, 49, 51, 85, 105, 119, 147, 245, 255, 289, 357, 595, 735, 833, 867, 1445, 1785, 1861, 2023, 2499, 4165, 4335, 5583, 6069, 9305, 10115, 12495, 13027, 14161, 27915, 30345, 31637, 39081, 42483, 65135, 70805, 91189, 94911, 158185, 195405, 212415, 221459, 273567, 455945, 474555, 537829, 664377, 1107295, 1367835, 1550213, 1613487, 2689145, 3321885, 3764803, 4650639, 7751065, 8067435, 11294409, 18824015, 23253195, 26353621, 56472045, 79060863, 131768105, 395304315]

約数ペア:

[(1, 395304315), (3, 131768105), (5, 79060863), (7, 56472045), (15, 26353621), (17, 23253195), (21, 18824015), (35, 11294409), (49, 8067435), (51, 7751065), (85, 4650639), (105, 3764803), (119, 3321885), (147, 2689145), (245, 1613487), (255, 1550213), (289, 1367835), (357, 1107295), (595, 664377), (735, 537829), (833, 474555), (867, 455945), (1445, 273567), (1785, 221459), (1861, 212415), (2023, 195405), (2499, 158185), (4165, 94911), (4335, 91189), (5583, 70805), (6069, 65135), (9305, 42483), (10115, 39081), (12495, 31637), (13027, 30345), (14161, 27915)]